A Nuclide Has a Decay Constant of 4

question 107

Multiple Choice

A nuclide has a decay constant of 4.28 × 10^-4/h.If the activity of a sample is 3.14 × 10⁵/s,how many atoms of the nuclide are present in the sample?

• A)7.34 × 10⁸
• B)2.64 × 10¹²
• C)4.84 × 10⁵
• D)1.34 × 10²
• E)2.34 × 10¹¹

---

Definitions:

Relevant Employee Union

A labor organization that represents the interests of workers within a specific industry or company.

AASB 119

An Australian Accounting Standard that specifies the accounting for employee benefits, including pensions and other post-employment benefits.

Long Service Leave

An employee benefit offering paid leave to employees who have served a particular period of time with the same employer or industry.

Legal Entitlement

The right of an individual or entity to have or do something according to the law.